Preparation and Determination of Immunological Activities of Anti-HBV Egg Yolk Extraction

被引:0
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作者
Yanping Xu
机构
关键词
egg yolk extraction; hepatitis B virus; specific transfer factor; immunological activity;
D O I
暂无
中图分类号
R392 [医学免疫学];
学科分类号
100102 ;
摘要
To prepare an effective immune preparation to treat hepatitis B, hens were immunized with hepatitis B vaccines, and then anti-HBV egg yolk extraction (anti-HBV EYE) was refined from egg yolk by a dialyzable method. Its chemical characteristics were identified by ultraviolet spectrum, HPLC, Lowry analysis and pharmacopoeia-raleted methods. The specific immunological activity was examined by leukocyte adherence inhibition (LAI) in vitro and delayed type hypersensitivity (DTH) in vivo. Anti-HBV EYE was a small dialyzable substance with molecular weight less than 12 kD containing 18 kinds of amino acids. The preparation could obviously inhibit LAI and DTH which was similar to hepatitis B virus-specific transfer factor of pig spleen. However, there were no similar effects observed in the nonspecific transfer factor (NTF) group, control egg yolk extraction (CEYE) group and hepatitis A virus (HAV) group. The results suggested that anti-HBV EYE contained hepatitis B virus-specific transfer factor (STF) and had the antigen-specific cell immune activity similar to PSHBV-TF. The STF obtained from egg yolk of the hens immunized with specific antigen, might be a potential candidate for immunoregulation in hepatitis B prevention and treatment.
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页码:67 / 71
页数:5
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